Developing and evaluating the reliability of acceptable noise level test in Persian language

Document Type : Original article

Authors

1 1. Department of Audiology, School of Rehabilitation, Tehran University of Medical Sciences, Tehran,Iran

2 2. Department of Audiology, Faculty of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran

3 3. Department of Audiology, Faculty of Rehabilitation Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran

4 4. Department of Linguistics, Institute for Humanities and Cultural Studies, Tehran, Iran

5 5. Biostatistics, School of Rehabilitation, Tehran University of Medical Sciences, Iran

Abstract

Background and Aim: Problem with tolerating Levels of amplified background noise is one of the most complications of people with hearing loss. Acceptable noise level (ANL) test can be used as an accurate and valid test to evaluate the ability of tolerating levels of noise among peoples. The aims of this study were to develop and evaluate the reliability of acceptable noise level test in Persian language.
Materials and Methods: After selecting suitable materials for multi talker babble noise and running speech signals, Material were recorded in controlled situation in professional recording studio. The test was conducted twice with one week separation on 66 normal people with mean age of 25±4.
Results:  Statistical analysis showed the mean Acceptable Noise Level in two repeats had no significant difference (0.05 >P). The correlation coefficient between the first and second repeats of (ANL) was r=0/847 (0.001> P) and Inter Class Correlation coefficient between the first and second repeats was 0/920 (0.001> P).
Conclusion: Based on the findings, the Persian version of acceptable noise level test had desired reliability in the individual with normal hearing. Implementation simplicity, non-invasive and the low cost are the benefitsfor the clinical use of this test.

Keywords

References

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The Scientific Journal of Rehabilitation Medicine
Volume 4, Issue 2 - Serial Number 2
July and August 2015
Pages 109-117

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History

  • Receive Date: 17 January 2015
  • Revise Date: 14 May 2015
  • Accept Date: 10 June 2015
  • First Publish Date: 22 June 2015

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